maria sanchez was part of history four years ago, urging latinos to help make barack obama president. it's different this time around. harder. >> some people are still very excited and others say, i don't know. well, i haven't made up my mind. >> reporter: less hype about the obama campaign this time, she says, and less hope about the candidate. >> it's a little bit harder because sometimes some of them say, well, i don't know who to vote for, these two evils. >> reporter: latinos were 13% of the vote in battleground colorado four years ago. and any dip in their support for the president or a drop in turnout could shift this classic swing state. >> this is one of his songs that's so moving and so powerful. >> reporter: evangelicals are to mitt romney what latinos are to barack obama. white evangelicals made up 23% of colorado's vote in 2008. >> think about life, think about liberty, think about character. and then cast your ballot. >> reporter: this pastor adds a plug to vote to every subd's sermon. >> the most surprising thing is the frustration of many of them with both candidates a